diff options
Diffstat (limited to 'Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20')
9 files changed, 563 insertions, 0 deletions
diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/Fig10_20.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/Fig10_20.cpp new file mode 100644 index 0000000..2ce0553 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/Fig10_20.cpp @@ -0,0 +1,120 @@ +// Fig. 10.20: fig10_20.cpp
+// Driver for shape, point, circle, cylinder hierarchy.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+using std::fixed;
+
+#include <iomanip>
+
+using std::setprecision;
+
+#include <vector>
+
+using std::vector;
+
+#include "shape.h" // Shape class definition
+#include "point.h" // Point class definition
+#include "circle.h" // Circle class definition
+#include "cylinder.h" // Cylinder class definition
+
+void virtualViaPointer( const Shape * );
+void virtualViaReference( const Shape & );
+
+int main()
+{
+ // set floating-point number format
+ cout << fixed << setprecision( 2 );
+
+ Point point( 7, 11 ); // create a Point
+ Circle circle( 22, 8, 3.5 ); // create a Circle
+ Cylinder cylinder( 10, 10, 3.3, 10 ); // create a Cylinder
+
+ cout << point.getName() << ": "; // static binding
+ point.print(); // static binding
+ cout << '\n';
+
+ cout << circle.getName() << ": "; // static binding
+ circle.print(); // static binding
+ cout << '\n';
+
+ cout << cylinder.getName() << ": "; // static binding
+ cylinder.print(); // static binding
+ cout << "\n\n";
+
+ // create vector of three base-class pointers
+ vector< Shape * > shapeVector( 3 );
+
+ // aim shapeVector[0] at derived-class Point object
+ shapeVector[ 0 ] = &point;
+
+ // aim shapeVector[1] at derived-class Circle object
+ shapeVector[ 1 ] = &circle;
+
+ // aim shapeVector[2] at derived-class Cylinder object
+ shapeVector[ 2 ] = &cylinder;
+
+ // loop through shapeVector and call virtualViaPointer
+ // to print the shape name, attributes, area and volume
+ // of each object using dynamic binding
+ cout << "\nVirtual function calls made off "
+ << "base-class pointers:\n\n";
+
+ for ( int i = 0; i < shapeVector.size(); i++ )
+ virtualViaPointer( shapeVector[ i ] );
+
+ // loop through shapeVector and call virtualViaReference
+ // to print the shape name, attributes, area and volume
+ // of each object using dynamic binding
+ cout << "\nVirtual function calls made off "
+ << "base-class references:\n\n";
+
+ for ( int j = 0; j < shapeVector.size(); j++ )
+ virtualViaReference( *shapeVector[ j ] );
+
+ return 0;
+
+} // end main
+
+// make virtual function calls off a base-class pointer
+// using dynamic binding
+void virtualViaPointer( const Shape *baseClassPtr )
+{
+ cout << baseClassPtr->getName() << ": ";
+
+ baseClassPtr->print();
+
+ cout << "\narea is " << baseClassPtr->getArea()
+ << "\nvolume is " << baseClassPtr->getVolume()
+ << "\n\n";
+
+} // end function virtualViaPointer
+
+// make virtual function calls off a base-class reference
+// using dynamic binding
+void virtualViaReference( const Shape &baseClassRef )
+{
+ cout << baseClassRef.getName() << ": ";
+
+ baseClassRef.print();
+
+ cout << "\narea is " << baseClassRef.getArea()
+ << "\nvolume is " << baseClassRef.getVolume() << "\n\n";
+
+} // end function virtualViaReference
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
\ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.cpp new file mode 100644 index 0000000..b8f6f59 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.cpp @@ -0,0 +1,81 @@ +// Fig. 10.17: circle.cpp
+// Circle class member-function definitions.
+#include <iostream>
+
+using std::cout;
+
+#include "circle.h" // Circle class definition
+
+// default constructor
+Circle::Circle( int xValue, int yValue, double radiusValue )
+ : Point( xValue, yValue ) // call base-class constructor
+{
+ setRadius( radiusValue );
+
+} // end Circle constructor
+
+// set radius
+void Circle::setRadius( double radiusValue )
+{
+ radius = ( radiusValue < 0.0 ? 0.0 : radiusValue );
+
+} // end function setRadius
+
+// return radius
+double Circle::getRadius() const
+{
+ return radius;
+
+} // end function getRadius
+
+// calculate and return diameter
+double Circle::getDiameter() const
+{
+ return 2 * getRadius();
+
+} // end function getDiameter
+
+// calculate and return circumference
+double Circle::getCircumference() const
+{
+ return 3.14159 * getDiameter();
+
+} // end function getCircumference
+
+// override virtual function getArea: return area of Circle
+double Circle::getArea() const
+{
+ return 3.14159 * getRadius() * getRadius();
+
+} // end function getArea
+
+// override virutual function getName: return name of Circle
+string Circle::getName() const
+{
+ return "Circle";
+
+} // end function getName
+
+// override virtual function print: output Circle object
+void Circle::print() const
+{
+ cout << "center is ";
+ Point::print(); // invoke Point's print function
+ cout << "; radius is " << getRadius();
+
+} // end function print
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
\ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.h b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.h new file mode 100644 index 0000000..6d6877c --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.h @@ -0,0 +1,47 @@ +// Fig. 10.16: circle.h
+// Circle class contains x-y coordinate pair and radius.
+#ifndef CIRCLE_H
+#define CIRCLE_H
+
+#include "point.h" // Point class definition
+
+class Circle : public Point {
+
+public:
+
+ // default constructor
+ Circle( int = 0, int = 0, double = 0.0 );
+
+ void setRadius( double ); // set radius
+ double getRadius() const; // return radius
+
+ double getDiameter() const; // return diameter
+ double getCircumference() const; // return circumference
+ virtual double getArea() const; // return area
+
+ // return name of shape (i.e., "Circle")
+ virtual string getName() const;
+
+ virtual void print() const; // output Circle object
+
+private:
+ double radius; // Circle's radius
+
+}; // end class Circle
+
+#endif
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.cpp new file mode 100644 index 0000000..7c51113 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.cpp @@ -0,0 +1,75 @@ +// Fig. 10.19: cylinder.cpp
+// Cylinder class inherits from class Circle.
+#include <iostream>
+
+using std::cout;
+
+#include "cylinder.h" // Cylinder class definition
+
+// default constructor
+Cylinder::Cylinder( int xValue, int yValue, double radiusValue,
+ double heightValue )
+ : Circle( xValue, yValue, radiusValue )
+{
+ setHeight( heightValue );
+
+} // end Cylinder constructor
+
+// set Cylinder's height
+void Cylinder::setHeight( double heightValue )
+{
+ height = ( heightValue < 0.0 ? 0.0 : heightValue );
+
+} // end function setHeight
+
+// get Cylinder's height
+double Cylinder::getHeight() const
+{
+ return height;
+
+} // end function getHeight
+
+// override virtual function getArea: return Cylinder area
+double Cylinder::getArea() const
+{
+ return 2 * Circle::getArea() + // code reuse
+ getCircumference() * getHeight();
+
+} // end function getArea
+
+// override virtual function getVolume: return Cylinder volume
+double Cylinder::getVolume() const
+{
+ return Circle::getArea() * getHeight(); // code reuse
+
+} // end function getVolume
+
+// override virtual function getName: return name of Cylinder
+string Cylinder::getName() const
+{
+ return "Cylinder";
+
+} // end function getName
+
+// override virtual function print: output Cylinder object
+void Cylinder::print() const
+{
+ Circle::print(); // code reuse
+ cout << "; height is " << getHeight();
+
+} // end function print
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
\ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.h b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.h new file mode 100644 index 0000000..f20d624 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.h @@ -0,0 +1,46 @@ +// Fig. 10.18: cylinder.h
+// Cylinder class inherits from class Circle.
+#ifndef CYLINDER_H
+#define CYLINDER_H
+
+#include "circle.h" // Circle class definition
+
+class Cylinder : public Circle {
+
+public:
+
+ // default constructor
+ Cylinder( int = 0, int = 0, double = 0.0, double = 0.0 );
+
+ void setHeight( double ); // set Cylinder's height
+ double getHeight() const; // return Cylinder's height
+
+ virtual double getArea() const; // return Cylinder's area
+ virtual double getVolume() const; // return Cylinder's volume
+
+ // return name of shape (i.e., "Cylinder" )
+ virtual string getName() const;
+
+ virtual void print() const; // output Cylinder
+
+private:
+ double height; // Cylinder's height
+
+}; // end class Cylinder
+
+#endif
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
\ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.cpp new file mode 100644 index 0000000..3f63c81 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.cpp @@ -0,0 +1,72 @@ +// Fig. 10.15: point.cpp
+// Point class member-function definitions.
+#include <iostream>
+
+using std::cout;
+
+#include "point.h" // Point class definition
+
+// default constructor
+Point::Point( int xValue, int yValue )
+ : x( xValue ), y( yValue )
+{
+ // empty body
+
+} // end Point constructor
+
+// set x in coordinate pair
+void Point::setX( int xValue )
+{
+ x = xValue; // no need for validation
+
+} // end function setX
+
+// return x from coordinate pair
+int Point::getX() const
+{
+ return x;
+
+} // end function getX
+
+// set y in coordinate pair
+void Point::setY( int yValue )
+{
+ y = yValue; // no need for validation
+
+} // end function setY
+
+// return y from coordinate pair
+int Point::getY() const
+{
+ return y;
+
+} // end function getY
+
+// override pure virtual function getName: return name of Point
+string Point::getName() const
+{
+ return "Point";
+
+} // end function getName
+
+// override pure virtual function print: output Point object
+void Point::print() const
+{
+ cout << '[' << getX() << ", " << getY() << ']';
+
+} // end function print
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
\ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.h b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.h new file mode 100644 index 0000000..264b37b --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.h @@ -0,0 +1,45 @@ +// Fig. 10.14: point.h
+// Point class definition represents an x-y coordinate pair.
+#ifndef POINT_H
+#define POINT_H
+
+#include "shape.h" // Shape class definition
+
+class Point : public Shape {
+
+public:
+ Point( int = 0, int = 0 ); // default constructor
+
+ void setX( int ); // set x in coordinate pair
+ int getX() const; // return x from coordinate pair
+
+ void setY( int ); // set y in coordinate pair
+ int getY() const; // return y from coordinate pair
+
+ // return name of shape (i.e., "Point" )
+ virtual string getName() const;
+
+ virtual void print() const; // output Point object
+
+private:
+ int x; // x part of coordinate pair
+ int y; // y part of coordinate pair
+
+}; // end class Point
+
+#endif
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
\ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.cpp new file mode 100644 index 0000000..125ea79 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.cpp @@ -0,0 +1,36 @@ +// Fig. 10.13: shape.cpp
+// Shape class member-function definitions.
+#include <iostream>
+
+using std::cout;
+
+#include "shape.h" // Shape class definition
+
+// return area of shape; 0.0 by default
+double Shape::getArea() const
+{
+ return 0.0;
+
+} // end function getArea
+
+// return volume of shape; 0.0 by default
+double Shape::getVolume() const
+{
+ return 0.0;
+
+} // end function getVolume
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
\ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.h b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.h new file mode 100644 index 0000000..0c929a5 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.h @@ -0,0 +1,41 @@ +// Fig. 10.12: shape.h
+// Shape abstract-base-class definition.
+#ifndef SHAPE_H
+#define SHAPE_H
+
+#include <string> // C++ standard string class
+
+using std::string;
+
+class Shape {
+
+public:
+
+ // virtual function that returns shape area
+ virtual double getArea() const;
+
+ // virtual function that returns shape volume
+ virtual double getVolume() const;
+
+ // pure virtual functions; overridden in derived classes
+ virtual string getName() const = 0; // return shape name
+ virtual void print() const = 0; // output shape
+
+}; // end class Shape
+
+#endif
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
\ No newline at end of file |